Home / 6,515,444-8,991,552.88-3,936,626.34

Finding the Fourth Proportional to 6,515,444, 8,991,552.88 and 3,936,626.34

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Solution

The fourth proportional to 6,515,444, 8,991,552.88 and 3,936,626.34 is: 5,432,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,444 : 8,991,552.88 = 3,936,626.34 : x
  2. Step 2: Convert to fraction form
    6,515,444/8,991,552.88 = 3,936,626.34/x
  3. Step 3: Cross multiply
    6,515,444x = 8,991,552.88 × 3,936,626.34
  4. Step 4: Simplify right side
    6,515,444x = 35,396,383,904,910.86
  5. Step 5: Solve for x
    x = 35,396,383,904,910.86/6,515,444
  6. Step 6: Final answer
    x = 5,432,689.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.